4" (100mm) Impulse Manual Bag Sealer Heat Seal Closer + Free Kit 4 inch Hand Held Operated System - Cellophane Bag Sealer Ready to use instantly - No warm up needed. Impulse Power: 300W Voltage: 110 V Seal width (2mm) Dimensions: 8.5&quot;(L) x 2.5&quot;(W) x 5.5&quot;(H) Adjustable sealing control timer with ready light.